while True:
    try:
        a = int(input("请输入一个分子："))
        b = int(input("请输入一个分母："))
        result = a/ b
        print(f"{a}/{b} = {result}")
    except ZeroDivisionError:
        print("分母不可以为0")
    except ValueError:
        print("请输入整数")
    except KeyboardInterrupt:
        print("慢走，不送，888")
        break
    except:
        print("88,Thanks for use")
        break